package com.prod.web.controller.common;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import javax.annotation.Resource;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletResponse;

import cn.hutool.captcha.CaptchaUtil;
import cn.hutool.captcha.CircleCaptcha;
import com.prod.common.cache.GuavaCacheManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.FastByteArrayOutputStream;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import com.google.code.kaptcha.Producer;
import com.prod.common.config.RuoYiConfig;
import com.prod.common.constant.CacheConstants;
import com.prod.common.constant.Constants;
import com.prod.common.core.domain.AjaxResult;
import com.prod.common.core.redis.RedisCache;
import com.prod.common.utils.sign.Base64;
import com.prod.common.utils.uuid.IdUtils;
import com.prod.system.service.ISysConfigService;

/**
 * 验证码操作处理
 */
@RestController
public class CaptchaController {
    @Resource(name = "captchaProducer")
    private Producer captchaProducer;

    @Resource(name = "captchaProducerMath")
    private Producer captchaProducerMath;

//    @Autowired
//    private RedisCache redisCache;

    @Autowired
    private ISysConfigService configService;

    /**
     * 生成验证码
     */
    @GetMapping("/captchaImage")
    public AjaxResult getCode(HttpServletResponse response) throws IOException {
        AjaxResult ajax = AjaxResult.success();
        boolean captchaEnabled = configService.selectCaptchaEnabled();
        ajax.put("captchaEnabled", captchaEnabled);
        if (!captchaEnabled) {
            return ajax;
        }

//        // 保存验证码信息
//        String uuid = IdUtils.simpleUUID();
//        String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid;
//
//        String capStr = null, code = null;
//        BufferedImage image = null;
//
//        // 生成验证码
//        String captchaType = DocConfig.getCaptchaType();
//        if ("math".equals(captchaType)) {
//            String capText = captchaProducerMath.createText();
//            capStr = capText.substring(0, capText.lastIndexOf("@"));
//            code = capText.substring(capText.lastIndexOf("@") + 1);
//            image = captchaProducerMath.createImage(capStr);
//        } else if ("char".equals(captchaType)) {
//            capStr = code = captchaProducer.createText();
//            image = captchaProducer.createImage(capStr);
//        }
//
//        // redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
//        // 转换流信息写出
//        FastByteArrayOutputStream os = new FastByteArrayOutputStream();
//        try {
//            ImageIO.write(image, "jpg", os);
//        } catch (IOException e) {
//            return AjaxResult.error(e.getMessage());
//        }
//
//        ajax.put("uuid", uuid);
//        ajax.put("img", Base64.encode(os.toByteArray()));

        CircleCaptcha captcha = CaptchaUtil.createCircleCaptcha(280, 100, 4, 20);
        // 保存验证码信息
        String uuid = IdUtils.simpleUUID();
        String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid;
        String code = captcha.getCode();
        GuavaCacheManager.cache(CacheConstants.CAPTCHA_CODE_KEY).put(verifyKey,code);
        ajax.put("uuid", uuid);
        ajax.put("img", captcha.getImageBase64());
        return ajax;
    }
}
